The researcher is showing that due to the way the SNMP trap log is parsed, an attacker can craft an SNMP trap with additional lines of information and have forged data show in the Zabbix UI. This attack requires SNMP auth to be off and/or the attacker to know the community/auth details. The attack requires an SNMP item to be configured as text on the target host.
{
"binaries": [
{
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5",
"binary_name": "zabbix-agent"
},
{
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5",
"binary_name": "zabbix-frontend-php"
},
{
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5",
"binary_name": "zabbix-java-gateway"
},
{
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5",
"binary_name": "zabbix-proxy-mysql"
},
{
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5",
"binary_name": "zabbix-proxy-pgsql"
},
{
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5",
"binary_name": "zabbix-proxy-sqlite3"
},
{
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5",
"binary_name": "zabbix-server-mysql"
},
{
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5",
"binary_name": "zabbix-server-pgsql"
}
]
}
{
"binaries": [
{
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4",
"binary_name": "zabbix-agent"
},
{
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4",
"binary_name": "zabbix-frontend-php"
},
{
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4",
"binary_name": "zabbix-java-gateway"
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{
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"binary_name": "zabbix-proxy-mysql"
},
{
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"binary_name": "zabbix-proxy-pgsql"
},
{
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4",
"binary_name": "zabbix-proxy-sqlite3"
},
{
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4",
"binary_name": "zabbix-server-mysql"
},
{
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4",
"binary_name": "zabbix-server-pgsql"
}
]
}
{
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"binary_name": "zabbix-agent"
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{
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4",
"binary_name": "zabbix-frontend-php"
},
{
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"binary_name": "zabbix-java-gateway"
},
{
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4",
"binary_name": "zabbix-proxy-mysql"
},
{
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4",
"binary_name": "zabbix-proxy-pgsql"
},
{
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4",
"binary_name": "zabbix-proxy-sqlite3"
},
{
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4",
"binary_name": "zabbix-server-mysql"
},
{
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4",
"binary_name": "zabbix-server-pgsql"
}
]
}
{
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"binary_name": "zabbix-agent"
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{
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"binary_name": "zabbix-frontend-php"
},
{
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2",
"binary_name": "zabbix-java-gateway"
},
{
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2",
"binary_name": "zabbix-proxy-mysql"
},
{
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2",
"binary_name": "zabbix-proxy-pgsql"
},
{
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2",
"binary_name": "zabbix-proxy-sqlite3"
},
{
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2",
"binary_name": "zabbix-server-mysql"
},
{
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2",
"binary_name": "zabbix-server-pgsql"
}
]
}
{
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"binary_name": "zabbix-agent"
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{
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1",
"binary_name": "zabbix-frontend-php"
},
{
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1",
"binary_name": "zabbix-java-gateway"
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{
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1",
"binary_name": "zabbix-proxy-mysql"
},
{
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1",
"binary_name": "zabbix-proxy-pgsql"
},
{
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1",
"binary_name": "zabbix-proxy-sqlite3"
},
{
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1",
"binary_name": "zabbix-server-mysql"
},
{
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1",
"binary_name": "zabbix-server-pgsql"
}
]
}